[ichneumon fly] n (1713): any of a large superfamily (Ichneumonoidea) of hymenopterous insects whose larvae are usu. internal parasites of other insect larvae and esp. of caterpillars
ICHNEUMON FLY
Meaning of ICHNEUMON FLY in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012